the tool value的用法和样例：
例句
- The author thinks from the value of environment law that it derives from the support of the environment law benefit to purposefulness value.
笔者认为从环境法的价值角度来思考，源于效益这一环境法工具性价值的缺失。 - Not all cases are published, however, and there is considerable debate in many jurisdictions about the precedential value of unpublished decisions.
不是所有的案例会出版，然而，关于未出版的判例的先例性价值在诸多管辖地有着大量的争论。
